Article
Understanding the genetic mechanisms and cognitive impairments in Down syndrome: towards a holistic approach.
Journal of neurology - 1 Jan 2024
Abukhaled Yara, Hatab Kenana, Awadhalla Mohammad, Hamdan Hamdan
Abstract excerpt
The most common genetic cause of intellectual disability is Down syndrome (DS), trisomy 21. It commonly results from three copies of human chromosome 21 (HC21). There are no mutations or deletions involved in DS. Instead, the phenotype is caused by altered transcription of the genes on HC21. These transcriptional variations are responsible for a myriad of symptoms affecting every organ system. A very debilitating...
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